Audible Warnings Description. Chevrolet PJJ 2000

For 1990-2009 cars

All audible warnings are generated by the radio and through the radio amplifier when equipped. All such warnings are provided to the radio via messages on the class 2 serial data line. The following class 2 messages, which produce the required chimes, are controlled by the Body Control Module (BCM).

• | The key in ignition chime class 2 message.

• | The lamps on chime class 2 message.

• | The fasten belts chime class 2 message.

• | The parking brake on chime class 2 message.

• | Each of these has an associated IPC Indicator tell tale.